<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<!--块级分区元素-->
<div>div1</div>
<div>div2</div>
<!--行内分区元素-->
<span>span</span>
<span>span</span>

</body>
</html>